... Q235/Q345/10#/20#/ASTM A106 2)Delivery : 30 days 3)Price:FOB550-730usd/ton hot dipped galvanized steel pipe ... )zinc content:170-350g per m28)applications:petroleum,power,gas metallurgy,papermaking,chemical,medical equipment,aviation,boiler heat,exchanger ... and local famous big brand, quality and most competitive price are our gurantee. We had exported to countries in ...